button {
  min-width: 300px;
  height: 140px;
  line-height: 140px;
  border-radius: 70px;
  background: linear-gradient(to right bottom, #00A0FF, #045FE5);
  color: #ffffff;
  font-size: 50px;
  font-weight: 400;
  outline: none;
  box-sizing: border-box;
  cursor: pointer;
  border: 0px;

  &.hollow {
    background: #fff;
    border: 4px solid rgba(183, 183, 204, 1);
  }

  &.small {
    min-width: 170px;
    height: 90px;
    line-height: 90px;
    border-radius: 45px;
    font-size: 40px;

    &.circle {
      min-width: 90px;
      width: 90px;
      padding: 0;
    }
  }

  &.large {
    min-width: 700px;
    height: 160px;
    border-radius: 80px;
    font-size: 70px;
  }
}